12. Flux density bootstrapping and spectral index fitting

Make a gain table that includes gain and opacity corrections for final amp cal and for flux density bootstrapping.

Fit the spectral index of calibrators with a power-law and put the fit in the model column.

Fluxboot summary plots

VLASS1.2.sb36468917.eb36521861.58568.73382162037.ms

Caltable: fluxgaincal.g

Model calibrator

Spectral Indices
Source Band Fitted Spectral Index Fitted Curvature Fit Order
J0247+3254 S 0.0183 +/- 0.0065 -1.0758 +/- 0.0722 2
J0558+3418 S -0.3549 +/- 0.0069 -0.1271 +/- 0.0787 2
J1800+7828 S 0.1622 +/- 0.0050 0.0925 +/- 0.0564 2
J2355+4950 S -0.6030 +/- 0.0054 -0.2512 +/- 0.0595 2
Fitting data with a power law
Source Frequency [GHz] Data Error Fitted Data Residual: Data-Fitted Data
J0247+3254 2.028 0.4289 0.000651 0.4326 -0.003705
2.156 0.4413 0.000664 0.4415 -0.000223
2.284 0.4726 0.000675 0.4486 0.023999
2.412 0.4582 0.000683 0.4542 0.004043
2.54 0.4604 0.000690 0.4583 0.002055
2.668 0.4625 0.000694 0.4612 0.001315
2.796 0.4634 0.000697 0.4630 0.000371
2.924 0.4627 0.000698 0.4639 -0.001154
3.052 0.4638 0.000698 0.4638 -0.000013
3.18 0.4624 0.000697 0.4631 -0.000717
3.308 0.4610 0.000695 0.4617 -0.000664
3.436 0.4584 0.000692 0.4597 -0.001281
3.564 0.4572 0.000688 0.4572 -0.000047
3.692 0.4543 0.000684 0.4543 -0.000006
3.82 0.4527 0.000679 0.4510 0.001708
3.948 0.4475 0.000673 0.4473 0.000166
J0558+3418 2.028 0.2487 0.000433 0.2517 -0.002998
2.156 0.2485 0.000425 0.2469 0.001596
2.284 0.2550 0.000417 0.2423 0.012733
2.412 0.2394 0.000409 0.2380 0.001443
2.54 0.2344 0.000402 0.2339 0.000546
2.668 0.2304 0.000395 0.2300 0.000486
2.796 0.2261 0.000389 0.2262 -0.000137
2.924 0.2220 0.000383 0.2227 -0.000699
3.052 0.2194 0.000377 0.2193 0.000036
3.18 0.2161 0.000372 0.2161 0.000015
3.308 0.2131 0.000366 0.2130 0.000121
3.436 0.2101 0.000361 0.2100 0.000066
3.564 0.2067 0.000356 0.2072 -0.000503
3.692 0.2039 0.000352 0.2044 -0.000551
3.82 0.2024 0.000347 0.2018 0.000660
3.948 0.2000 0.000343 0.1992 0.000784
J1800+7828 2.028 2.1892 0.002845 2.1985 -0.009324
2.156 2.2240 0.002868 2.2168 0.007263
2.284 2.3456 0.002891 2.2347 0.110864
2.412 2.2518 0.002914 2.2524 -0.000560
2.54 2.2776 0.002937 2.2698 0.007796
2.668 2.2852 0.002959 2.2869 -0.001650
2.796 2.3009 0.002981 2.3037 -0.002782
2.924 2.3197 0.003002 2.3203 -0.000563
3.052 2.3337 0.003023 2.3367 -0.002985
3.18 2.3535 0.003044 2.3528 0.000706
3.308 2.3682 0.003065 2.3686 -0.000410
3.436 2.3798 0.003085 2.3843 -0.004519
3.564 2.3981 0.003105 2.3997 -0.001588
3.692 2.4178 0.003125 2.4150 0.002810
3.82 2.4392 0.003144 2.4300 0.009158
3.948 2.4404 0.003163 2.4449 -0.004458
J2355+4950 2.028 2.1626 0.002744 2.1795 -0.016922
2.156 2.1317 0.002657 2.1100 0.021715
2.284 2.1144 0.002575 2.0450 0.069413
2.412 1.9801 0.002498 1.9841 -0.003972
2.54 1.9267 0.002426 1.9268 -0.000116
2.668 1.8718 0.002358 1.8729 -0.001085
2.796 1.8234 0.002294 1.8220 0.001351
2.924 1.7735 0.002234 1.7739 -0.000365
3.052 1.7293 0.002176 1.7283 0.000907
3.18 1.6854 0.002122 1.6851 0.000231
3.308 1.6421 0.002070 1.6440 -0.001902
3.436 1.6006 0.002021 1.6050 -0.004330
3.564 1.5661 0.001974 1.5677 -0.001626
3.692 1.5331 0.001929 1.5322 0.000877
3.82 1.5014 0.001887 1.4983 0.003172
3.948 1.4681 0.001846 1.4658 0.002326
No pipeline QA for this task.
caltable
None
vis
/lustre/aoc/cluster/pipeline/vlass_auto/spool/calibration/VLASS1.2_T18t04.T18t08_P37828v1_2019_03_26T22_25_03.280/working/VLASS1.2.sb36468917.eb36521861.58568.73382162037.ms
fitorder
2
refantignore
 
output_dir
/lustre/aoc/cluster/pipeline/vlass_auto/spool/calibration/VLASS1.2_T18t04.T18t08_P37828v1_2019_03_26T22_25_03.280/working
Start time
2019-03-27 19:40:54.614
End
2019-03-27 21:30:37.976
Duration
1:49:43.362
Note, WebLog generation is not included in the time.

CASA logs for stage 12